Adaptive Filtering Needle Assemblies for Specialized Environments

Publication ID: 24-11857768_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Filtering Needle Assemblies for Specialized Environments,” Published Technical Disclosure No. 24-11857768_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857768_0009_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,768.

Summary of the Inventive Concept

The inventive concept discloses specialized filtering needle assemblies tailored for high-security, disaster relief, extreme weather, high-altitude, and enhanced sterility environments, ensuring reliable liquid payload administration in niche operational conditions.

Background and Problem Solved

The original patent disclosed a filtering needle assembly with a seal plug, but it lacked adaptability for specific, high-stakes environments. The new inventive concept addresses this limitation by introducing specialized variations of the filtering needle assembly, catering to the unique demands of various operational environments.

Detailed Description of the Inventive Concept

The inventive concept comprises filtering needle assemblies with seal plugs adapted for specific environments. For high-security needs, a tamper-evident seal plug detects unauthorized access. In disaster relief situations, the filtering needle assembly operates under extreme weather conditions. In extreme cold weather environments, a thermally-insulated seal plug maintains a consistent temperature. In high-altitude environments, a pressure-resistant seal plug withstands high pressures. In situations requiring enhanced sterility, a sterilizable seal plug can be sterilized using gamma radiation or other methods. These specialized variations ensure reliable liquid payload administration in niche operational conditions.

Novelty and Inventive Step

The new claims introduce novel adaptations of the filtering needle assembly for specific environments, providing a non-obvious solution to the limitations of the original patent. The inventive concept's novelty lies in the integration of specialized seal plugs, filters, and other components to address the unique demands of various operational environments.

Alternative Embodiments and Variations

Alternative embodiments may include adjustable seal plugs, modular filter designs, or integrated sensors for real-time monitoring. Variations may include using different materials, geometries, or manufacturing processes to optimize the filtering needle assembly for specific environments.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in industries such as pharmaceuticals, biotechnology, and medical devices, particularly in niche markets requiring specialized filtering needle assemblies for high-stakes environments.

Field of Art

Medical device engineering, specifically needle assembly design for liquid payload administration, with expertise in fluid filtration, seal mechanisms, and medical device manufacturing

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with 5-7 years experience in medical device design, familiar with needle assembly technologies, material science, and regulatory requirements for medical devices

Obviousness Rationale

A PHOSITA would recognize that the source patent's fundamental filtering needle assembly design provides a modular framework that can be readily adapted for specialized environmental conditions. The core structural elements of the needle assembly remain consistent, with modifications primarily involving material selection, geometric adjustments, and specialized seal plug configurations. These variations represent predictable engineering solutions that would be apparent to a skilled practitioner seeking to optimize needle assemblies for specific operational contexts.

Obvious Combinations & Variations

Source Patent Element
Seal plug with variable outer diameter and rib ring configurations (from source patent claim 3)
PTD Variation
Tamper-evident seal plug with integrated detection mechanisms
Obviousness Reasoning
A PHOSITA would recognize that modifying the existing rib ring structure to include tamper-detection elements is a straightforward design modification using known mechanical engineering techniques
Source Patent Element
Hollow needle with filter assembly (from source patent claim 1)
PTD Variation
Thermally-insulated seal plug for extreme temperature environments
Obviousness Reasoning
Material selection and thermal insulation are predictable engineering solutions for adapting medical devices to environmental conditions, representing a known technique for extending device functionality
Source Patent Element
Seal plug with convex distal end and hollow interior (from source patent claim 2)
PTD Variation
Pressure-resistant seal plug geometry for high-altitude applications
Obviousness Reasoning
Modifying seal plug geometry to withstand pressure variations is a standard engineering approach that would be obvious to a PHOSITA seeking to adapt the device for different operational environments
Source Patent Element
Outer cap design with closed distal end (from source patent claim 4)
PTD Variation
Sterilizable seal plug using gamma radiation or alternative sterilization methods
Obviousness Reasoning
Material selection and sterilization techniques are well-known in medical device engineering, representing predictable modifications to enhance device utility
35 U.S.C. § 103 Summary: Based on US Patent 11857768, the present publication demonstrates that the claimed variations in filtering needle assembly design represent obvious extensions of existing needle assembly technologies. A person having ordinary skill in the art would recognize these modifications as predictable engineering solutions arising from standard design practices, thereby rendering potential claims to such variations unpatentable under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,768
TitleFiltering needle assembly with seal plug
Assignee(s)CARRTECH Corp.